79d114a8ffb7455552a09018de80feff12b0efd5d23e8caff3e8fbae1fa392de

General

Target
extension-fix-DUGI0N.hta
Size 3KB
Sample260803-la896avyg1
SHA256 79d114a8ffb7455552a09018de80feff12b0efd5d23e8caff3e8fbae1fa392de
MD5 043f33313ec07ee325e9de9c88c6a6f3
SHA1 9361a564556b963d29eb94750b4db10426f97d7a
SHA512 93eba5efb9d12b315b8b40a81bb241de67d2a4682dad2f91c1f12629c62b69b6c8172a5aa6ab09af5b0054851965df6b9b78b89be838825db8b85c5947cb8270
TLSH
T1DC5102F7AA4A42C5BC318A9B6B2F908D14841A426366E5FCF2D7DC01DF89E5944783E8
MD5 SHA1 SHA512 TLSH

Score

8^/10

adware defense_evasion discovery execution spyware

Malware Config

Signatures

Badlisted process makes network request 5 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
3	4248	mshta.exe
4	4248	mshta.exe
5	4248	mshta.exe
6	4248	mshta.exe
7	4248	mshta.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4724	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4724	cmd.exe
5428	PING.EXE

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	rundll32.exe

Modifies registry class 20 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\MuiCache	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheVersion = "1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CachePrefix = "Visited:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CacheLimit = "51200"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheLimit = "1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Extensible Cache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Content\CachePrefix	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CacheVersion = "1"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\Cookies\CacheLimit = "1"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\windows_ie_ac_001\Internet Settings\Cache\History\CacheVersion = "1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1875162379-3804078649-638427191-1000_Classes\Local Settings\MuiCache	rundll32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
5428	PING.EXE

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	6	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2816	rundll32.exe
2452	rundll32.exe
2284	rundll32.exe
4712	rundll32.exe
4248	mshta.exe
4248	mshta.exe
4248	mshta.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 4712	4248	mshta.exe	90
PID 4248 wrote to memory of 2816	4248	mshta.exe	91
PID 4248 wrote to memory of 2452	4248	mshta.exe	92
PID 4248 wrote to memory of 2284	4248	mshta.exe	93
PID 4248 wrote to memory of 1936	4248	mshta.exe	94
PID 2284 wrote to memory of 1144	2284	rundll32.exe	96
PID 2452 wrote to memory of 3356	2452	rundll32.exe	98
PID 2816 wrote to memory of 3488	2816	rundll32.exe	99
PID 4712 wrote to memory of 1752	4712	rundll32.exe	100

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1936	attrib.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\extension-fix-DUGI0N.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    PID:1752
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3488
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:3356
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:1144
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" +h +s "C:\idhiofre\"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1936
- C:\idhiofre\idhiofre.exe
  "C:\idhiofre\idhiofre.exe" C:\idhiofre\idhiofre
  2⤵
  PID:756
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
  2⤵
  PID:4544
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
    3⤵
    PID:4872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul
  2⤵
  - Executes a command shell one-liner
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:4724
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 300 -w 1000 127.0.0.1
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:5428

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

a1.zip

Path C:\idhiofre\a1.zip
Size 494KB
SHA256 f4dc27c3cdc62e1114962a7da59b5969245c393664c882f4d5b665f731aa3e44
MD5 178b5844c470608ea037be9c629b6e22
SHA1 e24f27cd9585de99698cf224d30bf40762fb1a4a
SHA512 894b259dfc43965ba5c635f2af1e097553cc423fa8889dd2e0bce1bba70dceedc0ad513a910e646d78e9f8823b6a21b9adb01d8ae920c825806f50c8c349af46
SSDEEP 12288:nxU7hblQnL+/dh+Gez4yOGtBan225oCWp8SrI7:nq7hblmK/dgGeVlk22aCarI7
TLSH
T175B4231C22C4BD086D3D97FB58539F7405E6269E14B8024CE18B63C4ABCEF815F829E5
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

a2.zip

Path C:\idhiofre\a2.zip
Size 1.3MB
SHA256 0a48f1044b80ca9f65a1c75e924914dee8c595acbe451f08d580271f5eff8e7c
MD5 28e294df4d71de77f4030bec651181b4
SHA1 702240e45943dc70d2e089a30319642ad0e39186
SHA512 d7ff69db81bdba996bf4eb358378cde4260295187b5eb5d86df3b0f24d0c4a5b2b061cee6ac4c70da1c0418ab550a1854502403d9399c044c58a34b64100bb73
SSDEEP 24576:IAuYNwua6NduNqjRt1pSdu4E0mcKptG6lgVT0kQkmSp9QpDH1tMlya6:IAuSw7Ku4xpSd7m7BlgVQmvQJH1tr
TLSH
T17A553355B7EDDF14E07C52A1C9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
MD5 SHA1 SHA512 SSDEEP TLSH

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a3.zip

Path C:\idhiofre\a3.zip
Size 2KB
SHA256 864d45498b6db6f6d7e2b958a6ea6d62ff3c0e0dea7434bf4ac998c41bf5e7e2
MD5 21695ed56ca6c0e685d898f8a279e455
SHA1 5c56bdf3150063a3c6c2c0acaab4d0733a508945
SHA512 203e82254404d1cbe88f75c725eebb4bf0f4d6ef703c6d705645df248d420e39d007cb6af1a69cd406f0ba317e5474829c8ddf53d55f20da881ae41c054276ce
TLSH
T1BA413AE88E7DBDA0D28FB9749A14587055373EC499C461690EBFEC04213039CDF2E82C
MD5 SHA1 SHA512 TLSH

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idhiofre

Path C:\idhiofre\idhiofre
Size 1.3MB
SHA256 30af0a4b9b7c7d8cf41c169be3d51c03d9dabd0c18ed699b31850b618b5db55e
MD5 3acd16edf0a4a2c6ece5bdb47bbfe252
SHA1 f2c68a96d6233778d1900a859ff089284c1672f2
SHA512 db484aa924751393a2bb72b482dea0882e2ea077a48f24e9535c1dd4fb49491779832533a50b509770220503952dc01253e62205b3a376ee4660d7c7f3348172
SSDEEP 24576:wAsYBwwc6NnutqPLth3SduIE0mcKppG2RgzTckokmGpVQpHH3tghysG:wAsiw7WuYn3Sdpm7PRgzIYrQhH3tb
TLSH
T121553355B7EDDF04E0BD51A1D9C14ED42EE304ADBFE8CC081AC84788D5D236DA948EBA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

idhiofre.exe

Path C:\idhiofre\idhiofre.exe
Size 957KB
SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
MD5 279274f8a137bf31425a9c2c14444b66
SHA1 6f7f971406854309d94139aa70bdc772308aff52
SHA512 2e69e99ae2c2f0c3361351853ecfcd1982ea542ef8aff9314e991642f106a87d45479f21f53367ad93b29ce9d98b60706ff9554a9c9d2a793fbed1589b90a85d
SSDEEP 24576:8SmEH7kpRArkvBz1oxovFDVeAj2HoB3a33rfBH:827kpRA4R1oGDVeQXsrf
TLSH
T11B259E0373D18022FF93A9721E5FE72656BC6D2A0323956F13D81EB9F9305B14A1E672
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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